#57545E
Closest named color: Dusty Grape (#545775). oklch(45.2% 0.016 299.4), rgb(87, 84, 94).
Aa
White text reads best on this color (7.40:1).
About this color
#57545E is a medium-dark close to neutral grey. In OKLCH its lightness is 45%, its chroma 0.016. It has too little chroma to lean warm or cool. The nearest named color is Dusty Grape (#545775), ΔE 0.036 away. White text reads best on it, at 7.40:1.
| Hue family | Neutrals |
| Lightness | medium-dark (45%) |
| Chroma | close to neutral grey (0.016) |
| Temperature | neutral |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.83:1 |
| White text | 7.40:1 |
Values
| HEX | #57545E |
| RGB | rgb(87, 84, 94) |
| HSL | hsl(258, 6%, 35%) |
| OKLCH | oklch(45.2% 0.016 299.4) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #57545E | 7.40:1 | AAA | Lc -90.6 | Preferred for body text |
| Black text on #57545E | 2.83:1 | Fails | Lc 18.3 | Dividers and decoration only |
| #57545E text on white | 7.40:1 | AAA | Lc 85.8 | Fine for body text |
| #57545E text on black | 2.83:1 | Fails | Lc -16.3 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.
-
Step 50
50
#F5F5F6
oklch(97% 0.001 286.4)
-
Step 100
100
#EAE9EB
oklch(93.5% 0.003 308.4)
-
Step 200
200
#D9D8DC
oklch(88.4% 0.006 297.7)
-
Step 300
300
#C1BFC6
oklch(80.8% 0.01 299.2)
-
Step 400
400
#A29FA9
oklch(70.8% 0.015 299.7)
-
Step 500
500
#8B8794
oklch(63.1% 0.02 299.9)
-
Step 600
600
#75717E
oklch(55.7% 0.02 299.8)
-
Step 700
700
#625E6B
oklch(49% 0.021 299.7)
-
Step 800
800 (this color)
#57545E
oklch(45.2% 0.016 299.4)
-
Step 900
900
#424048
oklch(37.6% 0.014 297.2)
-
Step 950
950
#27262A
oklch(27.1% 0.007 297.3)
#57545E with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #52555E | 0.008 |
| Deuteranopia (no green cones) | #53555E | 0.007 |
| Tritanopia (no blue cones) | #565557 | 0.013 |
| Achromatopsia (no color) | #555555 | 0.017 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57545E
#57545E
oklch(45.2% 0.016 299.4)
- #55574D
#55574D
oklch(45.2% 0.016 116.2)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #57545E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.036
- YInMn Blue #415A77 ΔE 0.047
- Slate #516572 ΔE 0.051
- Dusk #4E5481 ΔE 0.059
- Dark Slate Gray #2F4F4F ΔE 0.067
- Brownish Purple #76424E ΔE 0.069
- Dim Gray #696969 ΔE 0.070
- Purple Brown #673A3F ΔE 0.077
Use #57545E in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.